IT980261B - Apparecchiatura per misurare la resistenza elettrica in partico lare nella saldatura a punti - Google Patents

Apparecchiatura per misurare la resistenza elettrica in partico lare nella saldatura a punti

Info

Publication number
IT980261B
IT980261B IT4951373A IT4951373A IT980261B IT 980261 B IT980261 B IT 980261B IT 4951373 A IT4951373 A IT 4951373A IT 4951373 A IT4951373 A IT 4951373A IT 980261 B IT980261 B IT 980261B
Authority
IT
Italy
Prior art keywords
measuring
equipment
electrical resistance
spot welding
spot
Prior art date
Application number
IT4951373A
Other languages
English (en)
Original Assignee
Messer Griesheim Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Messer Griesheim Gmbh filed Critical Messer Griesheim Gmbh
Application granted granted Critical
Publication of IT980261B publication Critical patent/IT980261B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
    • G01R27/205—Measuring contact resistance of connections, e.g. of earth connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • B23K11/25—Monitoring devices
    • B23K11/251—Monitoring devices using analog means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Resistance Welding (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
IT4951373A 1972-04-20 1973-04-18 Apparecchiatura per misurare la resistenza elettrica in partico lare nella saldatura a punti IT980261B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722219284 DE2219284C3 (de) 1972-04-20 1972-04-20 Verfahren und Einrichtung zum Messen des Widerstandes, insbesondere des Gesamtwiderstandes beim Widerstandspunktschweißen

Publications (1)

Publication Number Publication Date
IT980261B true IT980261B (it) 1974-09-30

Family

ID=5842665

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4951373A IT980261B (it) 1972-04-20 1973-04-18 Apparecchiatura per misurare la resistenza elettrica in partico lare nella saldatura a punti

Country Status (7)

Country Link
AT (1) AT333378B (it)
CH (1) CH560906A5 (it)
DE (1) DE2219284C3 (it)
FR (1) FR2180741B1 (it)
GB (1) GB1370869A (it)
IT (1) IT980261B (it)
NL (1) NL7305369A (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106493A3 (en) * 1982-09-10 1986-02-05 The Welding Institute Monitoring in-service resistance of ac conductors
GB2139361B (en) * 1983-12-30 1985-06-05 Metal Box Plc Monitoring weld voltages
US4639569A (en) * 1985-04-01 1987-01-27 Unitek Corporation Weld resistance measuring apparatus for a spot welder
NL1028829C2 (nl) 2005-04-20 2006-10-23 Fontijne Grotnes B V Werkwijze en systeem voor het aan elkaar lassen van delen.

Also Published As

Publication number Publication date
FR2180741A1 (it) 1973-11-30
DE2219284C3 (de) 1975-10-23
FR2180741B1 (it) 1976-05-21
GB1370869A (en) 1974-10-16
NL7305369A (it) 1973-10-23
DE2219284A1 (de) 1973-11-08
CH560906A5 (it) 1975-04-15
AT333378B (de) 1976-11-25
ATA192473A (de) 1976-03-15
DE2219284B2 (de) 1975-02-27

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